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Energy Circle Insights Blog

January 21, 2011

Today’s CFL light bulbs are a real improvement over early manifestations.

October 29, 2010

There’s so much good content out there related to home performance, building science and energy efficiency that it’s hard to keep up with it all.

August 2, 2010

The world wide web is a wonderful thing, but there’s a lot of swill out there, so it helps to have a few go-to sources of good, reliable, accurate and useful information and insights.